Molding Process
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DSTDP hardness too low
Fenómeno del problema
DSTDP product Shore hardness 5-10 degrees lower than target, soft hand feel
Análisis de la causa
DSTDP soft nature, hardness low; plasticizer or softener added too much; crystallinity on the low side
Solución
1) Add rigid filler 5-10wt% to increase hardness; 2) reduce plasticizer dosage; 3) increase cooling rate to increase crystallinity
Conclusión clave
Low hardness is caused by material softness and excessive plasticization; adding filler is key
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